Check the listing for details. RipTide Krank Barrel Bushing 93a - Wine Red (Set). Condition: New. Listed at 9.00 USD. RipTide Krank Barrel Bushing 93a - Wine Red (Set) RipTide’s highest rebound formula to date, KranK is designed specifically to change under pressure and is controlled by the amount of clamp pressure you subject it to when tightening the King Pin nut! As for washers, flat washers work great with this compound, but for the greatest control and range of this performance feature, use cupped, precision flat or precision cupped washers. The barrel bushing shape offers a relatively deep turn as well as a stable ride. The barrel is the traditional go-to shape for freeriding and bombing. Features Sold as Pair .975" Dia x .60" High (24.8mm Dia x 15.24mm High) Harder KranK durometer bushings (96a & 93a) are for heavier-weight riders (over 140lbs) as harder durometer bushings allow for a nice tight set-up Medium KranK durometer bushings (90a - 87a) are for medium-weight riders (100 - 140lbs) Softer KranK durometer bushings (84a) are best for lightweight riders (50 - 100lbs) as well as for those looking for a looser setup in the RoadSide position when coupled with a harder duro bushing. At SkatesUSA our primary goal is to give our customers the best deals on skateboards, longboards, scooters and bikes at the lowest price. That is our commitment to you, our valued customer.